I have new walbro fuel pump, new filter and malpassi regulator.
180bfj20det- I am running 1bar boost, standard r33 turbo, large FMIC with 2 1/4" piping and no blow by we can find, will check for oil today. Thanks
RB30-POWER will check plugs again but injectors or carbon sounds like likely suspects to me will endeavour to check these.
Thanks for your replies